Optonet system: a 64 on/off fiber optic sensor network designed for industrial and military applications

Marc Girault; Philippe Graindorge; D. Mangeot; V. Morin; A. Gonos; Bernard Laloux; Francois X. Desforges

doi:10.1117/12.259805

27 November 1996 Optonet system: a 64 on/off fiber optic sensor network designed for industrial and military applications

Marc Girault, Philippe Graindorge, D. Mangeot, V. Morin, A. Gonos, Bernard Laloux, Francois X. Desforges

Author Affiliations +

Proceedings Volume 2838, Distributed and Multiplexed Fiber Optic Sensors VI; (1996) https://doi.org/10.1117/12.259805
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The OPTONET system monitors up to 64 on/off fiber optic sensors. It is based on optical time domain reflectometry (OTDR). An optical pulse emitted by a pulsed laser diode is splitted between the sensors through an optical star network including delay lines to separate the pulses reflected back from the sensors. A dual wavelength emission board is implemented to guarantee line surveillance and optical path loss compensation, in order to minimize the error rate, and information discrepancy. These characteristics also combined with the well known advantages of fiber optic sensors make this system attractive in military or harsh environment. Various reflective sensors can be connected to the OPTONET system; we describe here sensors developed for a French Navy application.

Citation Download Citation

Marc Girault, Philippe Graindorge, D. Mangeot, V. Morin, A. Gonos, Bernard Laloux, and Francois X. Desforges "Optonet system: a 64 on/off fiber optic sensor network designed for industrial and military applications", Proc. SPIE 2838, Distributed and Multiplexed Fiber Optic Sensors VI, (27 November 1996); https://doi.org/10.1117/12.259805

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